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Fleming_135R

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ID = 50483
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Fleming - valves; GB 
Tube type:  Signal Diode - one single system   Detector 
  <1925 very rare. ***
Identical to Fleming_135R

Base Swan-Bajonett B22=22 mm Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Battery =
Description

The Fleming valves were made by the Edison and Swan United Electric Light Co. and marketed by Marconi Wireless telegraph Co. Ltd. Ref. Catalogue Marconi Wireless Telegraph Co. Ltd, about 1910. This tube had a copper-gauze shielding; see picture. Tube had a tungsten filament.

 
Information source - - Manufacturers Literature   1910 Marconi catalogue, p.44
British Radio Valves - The Vintage Years: 1904-1925   Pages 7-16

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Fleming_135R
Peter den Boer


Just Qvigstad
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Fleming_135R: own collection
Peter den Boer

Collection of

 
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Fleming_135R
 

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